Home / 4,476.96-6,715.58-1,190.39

Finding the Fourth Proportional to 4,476.96, 6,715.58 and 1,190.39

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Solution

The fourth proportional to 4,476.96, 6,715.58 and 1,190.39 is: 1,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.96 : 6,715.58 = 1,190.39 : x
  2. Step 2: Convert to fraction form
    4,476.96/6,715.58 = 1,190.39/x
  3. Step 3: Cross multiply
    4,476.96x = 6,715.58 × 1,190.39
  4. Step 4: Simplify right side
    4,476.96x = 7,994,119.75
  5. Step 5: Solve for x
    x = 7,994,119.75/4,476.96
  6. Step 6: Final answer
    x = 1,785.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.